@inbook{10.2307/j.ctt7ztjbw.6,
URL = {http://www.jstor.org/stable/j.ctt7ztjbw.6},
abstract = {Let:W = standard (model) handlebody of genus g (g ≥ 1)F = ∂W = boundary of WD = embedded 2–disk in FO = basepoint of F on ∂DF*= F \ interior (D), S¹ = ∂D.We may choose a family of loops on (F*,0), as in Figure 4, such that:π1(F*,0) = 1,...,ag,b1,...,bg>π1(F, 0) = 1,...,ag, b1,,...,bg| [a1, b1] ···[ag, bg] = 1 >where[\mathrm{a}, \mathrm{b}] = \mathrm{aba}^{-1}\mathrm{b}^{-1}π1(W, 0) = 1,...,ag, b1,...,bg| b1= ··· = bg= 1 >=1,...,ag>.Let ciand didenote the homology classes},
bookauthor = {Selman Akbulut and John D. McCarthy},
booktitle = {Casson's Invariant for Oriented Homology Three-Spheres: An Exposition. (MN-36)},
pages = {33--46},
publisher = {Princeton University Press},
title = {HEBGARD DECOMPOSITIONS AND STABLE BQUIVALBNCE},
year = {1990}
}